WO2003005773A1 - Organic electroluminescence device and method for fabricating thereof - Google Patents

Organic electroluminescence device and method for fabricating thereof Download PDF

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Publication number
WO2003005773A1
WO2003005773A1 PCT/KR2002/000987 KR0200987W WO03005773A1 WO 2003005773 A1 WO2003005773 A1 WO 2003005773A1 KR 0200987 W KR0200987 W KR 0200987W WO 03005773 A1 WO03005773 A1 WO 03005773A1
Authority
WO
WIPO (PCT)
Prior art keywords
organic
display area
effective display
electrode
thin film
Prior art date
Application number
PCT/KR2002/000987
Other languages
English (en)
French (fr)
Inventor
Joon-Hoo Choi
Beom-Rak Choi
Chong-Chul Chai
Jin-Koo Chung
Original Assignee
Samsung Electronics Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co., Ltd. filed Critical Samsung Electronics Co., Ltd.
Priority to JP2003511592A priority Critical patent/JP4395367B2/ja
Priority to US10/476,398 priority patent/US7102281B2/en
Publication of WO2003005773A1 publication Critical patent/WO2003005773A1/en
Priority to US11/515,019 priority patent/US7394193B2/en
Priority to US12/214,733 priority patent/US7973468B2/en

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/841—Self-supporting sealing arrangements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/873—Encapsulations

Definitions

  • the present invention relates to an organic EL (Electro Luminescence) device and a method of fabricating the same, and more particularly, to an organic EL device capable of reducing an oxidation of a cathode electrode, the cathode electrode applying a forward current to the organic EL material.
  • organic EL Electro Luminescence
  • the organic luminescence material has characteristics of emitting a light when a forward current is applied to two electrodes interposing the organic luminescence therebetween.
  • the organic luminescence material can emit a light having a red wavelength, a light having a green wavelength and a light having a blue wavelength according to the characteristics thereof.
  • the organic EL device has been developed by using the characteristics of the organic luminescence material.
  • the organic EL device is lighter in weight and smaller in size than that of an LCD (Liquid Crystal Display) device.
  • the organic EL In order to display an image in a full-color in the organic EL display device, the organic EL requires an anode electrode, a cathode electrode and an organic luminescence layer having the organic luminescence material interposed between the anode and the cathode electrodes.
  • the anode electrode is disposed on a transparent substrate in a matrix configuration.
  • the number of the anode electrode is three times as many as a resolution of the organic EL device.
  • the anode electrode is connected with a thin film transistor disposed in the matrix configuration.
  • the anode electrode is made of a transparent conductive material such as an ITO (Indium Tin Oxide) or an IZO
  • the thin film transistor includes a gate electrode, a source electrode, a drain electrode and a channel layer.
  • the gate electrode of the thin film transistor is connected with a gate line, and the source electrode of the thin film transistor is connected with a data line.
  • FIG. 1 is a cross-sectional view showing a conventional organic EL device.
  • an anode electrode 1 is connected with the drain electrode of the thin film transistor.
  • the anode electrode 1 supplies holes to the organic EL material.
  • the organic EL material includes a red organic EL material 4 for emitting a light having a red wavelength, a green organic EL material 6 for emitting a light having a green wavelength and a blue organic EL material 8 for emitting a light having a blue wavelength.
  • the red, green and blue EL materials 4, 6 and 8 are disposed on the anode electrode 1.
  • the cathode electrode 10 is disposed on the red, green and blue organic EL materials 4, 6 and 8 so as to supply electrons coupled to the holes provided from the anode electrode 1.
  • the cathode electrode 10 is comprised of a pure aluminum or an aluminum alloy, and is disposed with a uniform thickness on a substrate to cover the anode electrode 1.
  • the organic EL materials 4, 6 and 8 are weak to oxygen and moisture in an atmosphere.
  • the organic EL materials 4, 6 and 8 are exposed to the oxygen and the moisture, a macromolecule chain of the organic EL materials 4,
  • the organic EL materials 4, 6 and 8 cannot emit a light of required wavelength, or a life of the organic EL materials 4, 6 and 8 are rapidly reduced. Accordingly, the organic EL materials 4, 6 and 8 should not be exposed to the oxygen and the moisture in the atmosphere when the anode electrode, cathode electrode and the organic EL materials 4, 6 and 8 are formed.
  • the organic EL materials 4, 6 and 8 are isolated from the oxygen and the moisture in the atmosphere by means of a metal can 12 and a sealant 12a.
  • a terminal part 14 of the cathode electrode 10 is not sealed by means of the metal can 12 and is exposed to the oxygen and the moisture in the atmosphere.
  • the present invention has been devised to solve the foregoing problems of the conventional art, and it is a first object of the present invention to provide an organic EL device for reducing the deterioration of the electrical characteristics of a terminal part of a cathode electrode.
  • an organic EL device comprising: a power supplying part for selectively supplying a power source having a predetermined level corresponding to image data; an anode electrode for receiving the power source, the anode electrode being disposed on an effective display area; an organic luminescence layer disposed on the anode electrode; a cathode electrode disposed on the organic luminescence layer corresponding to the effective display area; a power transferring part connected with the cathode electrode and extended to a non-effective display area covering the effective display area; and an insulating part disposed on the power transfer part, the insulating part partially exposed at a first portion to which the cathode electrode is connected and exposed at a second portion to which an external terminal is connected.
  • a method of fabricating an organic EL device comprising: forming a thin film transistor on an effective display area in a matrix configuration; forming a power transferring part extended from the effective display area to a non-effective display area covering the effective display area when forming the thin film transistor; forming an insulating part on the power transferring part, the insulating part partially being exposed at a first portion of the effective display area and at a second portion of the non-effective display area; forming an anode electrode on an output terminal of the thin film transistor, the anode electrode receiving the power source having a predetermined level corresponding to image data; forming an organic luminescence layer on the anode electrode, the organic luminescence layer emitting a light of a predetermined wavelength; forming a cathode electrode on the organic luminescence layer in the effective display area, the cathode electrode being electrically connected with the power transferring part; and forming a shielding part for sealing the effective display area.
  • FIG. 1 is a schematic view showing a conventional organic EL device
  • FIG. 2 is a circuit diagram showing an organic EL device according to one preferred embodiment of the present invention.
  • FIG. 3 is a schematic view showing a profile of the organic EL device according to one preferred embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a thin film transistor of the organic EL device according to one preferred embodiment of the present invention
  • FIG. 5 is a cross-sectional view showing a third insulating layer of the organic EL device according to one preferred embodiment of the present invention
  • FIG. 6 is a cross-sectional view showing an anode electrode of the organic EL device according to one preferred embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing an organic luminescence layer of the organic EL device according to one preferred embodiment of the present invention.
  • FIG. 8 is a cross-sectional view showing a cathode electrode of the organic EL device according to one preferred embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing a sealing cap of the organic EL device according to one preferred embodiment of the present invention.
  • FIG. 2 is a circuit diagram showing an organic EL device according to the present invention.
  • an organic EL device 200 includes a plurality of organic EL elements 210, 220 and 230.
  • one organic EL element 210 among three organic EL elements 210, 220 and 230 will be described.
  • the organic EL element 210 includes two TFTs 290 and 300, an image maintaining capacitor 240, driving signal lines 250, 260 and 270, and a pixel 280.
  • a first thin film transistor 290 indicates a switching transistor
  • a second thin film transistor 300 indicates a driving transistor.
  • the driving signal line referred to as a reference numeral 250 indicates a gate line connected with a gate electrode 292 of the switching transistor 290.
  • the driving signal line referred to as a reference numeral 260 indicates a data line connected with a source electrode of the switching transistor 290.
  • the daia line is perpendicular to the gate line 250.
  • the driving signal line referred to as a reference numeral 270 indicates a bias line parallel to the data line 260.
  • the switching transistor 290 is formed in an internal area that the gate line 250 is intersected with the data line 260.
  • the gate electrode 292 of the switching transistor 290 is connected with the gate line 250, and the source electrode 294 of the switching transistor 290 is connected with the data line 260.
  • the drain electrode 296 of the switching transistor 290 which is operated as an output terminal, is connected with a first electrode 242 of the image maintaining capacitor 240, and simultaneously connected with a gate electrode 302 of the driving transistor 300 in parallel.
  • a second electrode 244 which is opposite to the first electrode 242 of the image maintaining capacitor 240, and a source electrode 304 of the driving transistor
  • a drain electrode 306 of the driving transistor 300 is connected with the pixel 280.
  • a predetermined power source is applied to all data line 260 sequentially.
  • the first gate line 250 receives a power source that has enough voltage to turn on the switching transistor 290 for a short period.
  • the channel layer of the switching transistor 290 remains as a conduction state according as the power source is applied to the gate line.
  • the power source applied to the data line 260 is output to the drain electrode 296 of the switching transistor 290 through the source electrode 294 and the channel layer (not shown) thereof.
  • the power source applied to the drain electrode 296 of the switching transistor 290 is applied output through two paths.
  • the power source is output to the first electrode 242 of the image maintaining capacitor 240. Since the second electrode 244 of the image maintaining capacitor 240 has already received the power source, the image maintaining capacitor 240 is charged with electrical charges when the first electrode 242 receives the power source.
  • the power source is output to the gate electrode 302 of the driving transistor 300. Since the source electrode 304 of the driving transistor 300 has already received the power source from the bias line 270, the power source applied to the source electrode 304 is output to the drain electrode 306 through the channel layer when the power source is applied to the gate electrode 302 of the driving transistor 300. The power source output to the drain electrode 306 is applied to the pixel 280.
  • the switching transistor 290 supplies the power source to the gate electrode 302 of the driving transistor 300 during applying the power source to the gate line 250.
  • the switching transistor 290 when the switching transistor 290 is turned off, the image maintaining capacitor 240 is discharged. Accordingly, the driving transistor 300 turns on for a period of a frame of an image.
  • the power source output from the drain electrode 306 of the driving transistor 300 is applied to the pixel 280.
  • FIG. 3 is a schematic view showing a profile of the organic EL device according to the present invention.
  • the pixel 280 includes a transparent conductive anode electrode 282, an organic luminescence layer 283 formed on the upper surface of the anode electrode 282, a cathode electrode 284 formed over the organic luminescence layer 283 with a uniform thickness, and a power transferring part 500.
  • Reference numerals "410” and “420” indicate an effective display area and a non-effective display area, respectively. The image is displayed through the effective display area.
  • the anode electrode 282, the organic luminescence layer 283 and the cathode electrode 284 are disposed in the effective display area 410.
  • the effective display area 410 is encapsulated by means of the metal can 700 to prevent the effective display area 410 from being deteriorated by the oxygen or the moisture.
  • the cathode electrode 284 is not oxidized because the cathode electrode 284 is sealed by means of the metal can 700.
  • the power source from the non-effective area cannot be applied to the cathode electrode 284.
  • the power source may be applied to the isolated cathode electrode 284 through the power transferring part 500.
  • a first end of the power transferring part 500 is disposed on the effective display area 410 and a second end opposite to the first end of the power transferring part 500 is disposed on the non-effective display area 420.
  • the first end of the power transferring part 500 is connected with the cathode electrode 284 disposed in the effective display area 410
  • the second end of the power transferring part 500 is connected with the external terminal (not shown) disposed in the non-effective display area.
  • the power transferring part 500 is covered by means of an insulating thin film 600 except two portions of the power transferring part 500.
  • a first portion of the power transferring part 500 is a portion that is connected with the external terminal, and the second portion of the power transferring part 500 is a portion that is connected with the cathode electrode 284.
  • the insulating thin film 600 reduces the oxidization of the power transferring part 500
  • FIGS. 4 to 9 are cross-sectional views showing an organic EL device according to the present invention.
  • FIG. 4 is a cross-sectional view showing a thin film transistor of the organic EL device according to the present invention.
  • the switching thin film transistor and the driving thin film transistor are formed on the substrate 281 in the matrix configuration.
  • the driving thin film transistor 300 is shown.
  • the driving thin film transistor 300 includes a channel layer 301, a first insulating layer 305, a gate electrode 302, a second insulating layer 308, a contact hole 309, a source electrode 304 and a drain electrode 306. Processes for forming the driving thin film transistor 300 are the same as that of the switching thin film transistor, so that the switching thin film transistor has the driving thin film transistor 300.
  • the driving thin film transistor 300 is formed on the substrate 281 in the effective display area 410.
  • the channel layer 301 is formed by depositing an amorphous silicon layer on the substrate 281 and by patterning the amorphous silicon layer by means of a photolithography process. Amorphous silicon doped by n + ions may be used instead of the amorphous silicon.
  • the first insulating layer 305 is formed over the substrate 281 to cover the channel layer 301.
  • the gate metal layer is patterned to form the gate electrode 302.
  • the gate electrode 302 is disposed on the portion, which corresponds to the upper surface of the channel layer 301, of the first insulating layer 305.
  • the second insulating layer 308 insulates the gate electrode 302.
  • the second insulating layer 308 is formed over the substrate 281.
  • the contact hole 309 is formed by partially etching the first and the second insulating layers 305 and 308 via a photolithography process.
  • the contact hole 309 is placed at both sides of the gate electrode 302, which is adjacent to the gate electrode 302.
  • the channel layer 301 is exposed through the contact hole 309.
  • the source and the drain electrodes 304 and 306 are formed via patterning a source/drain metal deposited on the second insulating layer 308. In the process of forming the source and the drain electrode 304 and 306, the power transferring part 500 is formed, which is extended from the effective display area 410 to the non-effective display area 420.
  • FIG. 5 is a cross-sectional view showing a third insulating layer of the organic EL device according to the present invention. Referring to FIG. 5, the third insulating layer 600 is formed on the substrate
  • the third insulating layer 600 is patterned to form contact holes 610, 620 and 630, the contact hole 610 is formed on a portion of the drain electrode 306, the contact hole 620 is formed on the effective display area of the power transferring part 500, and the contact holes 630 is formed on the non-effective display areas of the power transferring part 500.
  • FIG. 6 is a cross-sectional view showing an anode electrode of the organic EL device according to the present invention.
  • a thin film made of the ITO or the IZO is deposited on the third msulating layer 600.
  • the thin film is patterned to form the anode electrode 282, and the anode electrode 282 is connected with the drain electrode 306.
  • FIG. 7 is a cross-sectional view showing an organic luminescence layer of the organic EL device according to the present invention.
  • the organic luminescence layer 283 is partially formed on the anode electrode 282.
  • the organic luminescence layer 283 includes the red organic luminescence for emitting the light having the red wavelength, the green organic luminescence for emitting the light having the green wavelength or the blue organic luminescence for emitting the light having the blue wavelength.
  • the reference numeral "282a" is an organic wall wrapping an edge portion of the anode electrode 282 as shown in FIG. 7.
  • FIG. 8 is a cross-sectional view showing a cathode electrode of the organic
  • the cathode electrode 284 is formed on the upper surface of the substrate 281 under the effective display area 410 to cover the organic luminescence layer 283.
  • the cathode electrode 284 is connected with the organic luminescence layer
  • FIG. 9 is a cross-sectional view showing a sealing cap of the organic EL device according to the present invention.
  • the sealing cap 700 is formed to seal the effective display area 410 by means of a sealant 710.
  • a sealant 710 the method for displaying the image by means of the organic EL device will be described.
  • the data line 260 receives a predetermined power source.
  • the gate line 250 receives a power source having a voltage level higher than a threshold voltage for the switching transistor 290.
  • the power source applied to the data line 260 is applied to the drain electrode 296 of the switching transistor 290 through the source electrode 294 and the channel layer of the switching transistor 290.
  • the power source applied to the drain electrode 296 of the switching transistor 290 charges the image maintaining capacitor 240, and simultaneously applies a power source having a voltage level higher than the threshold voltage to the gate electrode 302 of the driving transistor 300.
  • the power source having the voltage level higher than the threshold voltage is applied to the gate line 250 for a short period.
  • electric charges charged into the image maintaining capacitor 240 is discharged.
  • the anode electrode 282 receives a predetermined current from the bias line 270 while the image maintaining capacitance 540 is in a discharge state.
  • the power source V cathod e supplied from the external terminal is supplied to the effective display area 410 from the non-effective display area 420 through the power transferring part 500.
  • the V cat 0de applied to effective display area 410 is applied to the cathode electrode 284.
  • the cathode electrode 284 supplies the electrons to the organic luminescence layer 283, and the anode electrode 583 continuously supplies the holes.
  • an energy level change which is caused by bonding the electrons and the holes, occurs in the organic luminescence layer 283.
  • the light having the red wavelength, the light having the green wavelength and the light having the blue wavelength are emitted based on properties of the organic luminescence layer 283.
  • the light having the red wavelength, the light having the green wavelength and the light having the blue wavelength are provided to the user through the anode electrode 282 and the transparent substrate 281, thereby displaying a required image.
  • the cathode electrode is formed only on the effective display area sealed by means of the metal can. Also, the power source for the cathode electrode is applied through the power transferring part extended from the effective display area to the non-effective display area. Accordingly, it is possible to reduce the oxidation at the cathode electrode of the organic EL device, thereby preventing the electrical contact characteristics of the cathode electrode from being deteriorated.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
PCT/KR2002/000987 2001-05-25 2002-05-24 Organic electroluminescence device and method for fabricating thereof WO2003005773A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003511592A JP4395367B2 (ja) 2001-05-25 2002-05-24 有機電界発光デバイス及びこれの製造方法
US10/476,398 US7102281B2 (en) 2001-05-25 2002-05-24 Organic electro luminescence device incorporating a power supplying part for selectively supplying a power source and method for fabricating thereof
US11/515,019 US7394193B2 (en) 2001-05-25 2006-09-01 Organic electroluminescence device and method for fabricating thereof
US12/214,733 US7973468B2 (en) 2001-05-25 2008-06-19 Organic electroluminescence device and method for fabricating thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020010028890A KR100682377B1 (ko) 2001-05-25 2001-05-25 유기 전계발광 디바이스 및 이의 제조 방법
KR2001/28890 2001-05-25

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10476398 A-371-Of-International 2002-05-24
US11/515,019 Continuation US7394193B2 (en) 2001-05-25 2006-09-01 Organic electroluminescence device and method for fabricating thereof

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WO2003005773A1 true WO2003005773A1 (en) 2003-01-16

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US (3) US7102281B2 (enrdf_load_stackoverflow)
JP (1) JP4395367B2 (enrdf_load_stackoverflow)
KR (1) KR100682377B1 (enrdf_load_stackoverflow)
CN (1) CN100361310C (enrdf_load_stackoverflow)
WO (1) WO2003005773A1 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1513196A2 (en) * 2003-09-08 2005-03-09 LG Electronics Inc. Active matrix electroluminescence device and method for fabricating the same
JP2005235766A (ja) * 2004-02-20 2005-09-02 Lg Electron Inc 有機電界発光表示素子及びその製造方法
JP2010517165A (ja) * 2007-01-26 2010-05-20 マイクロソフト コーポレーション モバイルデバイス管理プロキシシステム
US8703622B2 (en) 2011-01-18 2014-04-22 Samsung Display Co., Ltd. Flat panel display device and method of manufacturing the same

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8808457B2 (en) 2002-04-15 2014-08-19 Samsung Display Co., Ltd. Apparatus for depositing a multilayer coating on discrete sheets
US7586171B2 (en) * 2004-04-14 2009-09-08 Yong Cao Organic electronic device comprising conductive members and processes for forming and using the organic electronic device
US7764012B2 (en) * 2004-04-16 2010-07-27 Semiconductor Energy Laboratory Co., Ltd Light emitting device comprising reduced frame portion, manufacturing method with improve productivity thereof, and electronic apparatus
US7189991B2 (en) * 2004-12-29 2007-03-13 E. I. Du Pont De Nemours And Company Electronic devices comprising conductive members that connect electrodes to other conductive members within a substrate and processes for forming the electronic devices
KR101377715B1 (ko) 2006-12-15 2014-03-21 삼성디스플레이 주식회사 유기 전계 발광 표시 장치
US20100167002A1 (en) * 2008-12-30 2010-07-01 Vitex Systems, Inc. Method for encapsulating environmentally sensitive devices
TW201417363A (zh) * 2012-10-19 2014-05-01 Ultimate Image Corp 有機發光二極體照明裝置
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KR102232945B1 (ko) * 2014-07-24 2021-03-25 엘지디스플레이 주식회사 유기 발광 표시 장치 및 유기 발광 표시 장치 제조 방법
CN110993814B (zh) * 2019-11-15 2021-09-03 深圳市华星光电半导体显示技术有限公司 显示装置及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08162270A (ja) * 1994-12-07 1996-06-21 Fuji Electric Co Ltd 電場発光素子とその封止方法
JPH1126156A (ja) * 1997-06-30 1999-01-29 Idemitsu Kosan Co Ltd 有機ｅｌ多色発光表示装置
JPH1140344A (ja) * 1997-07-16 1999-02-12 Casio Comput Co Ltd 電界発光素子
JP2000021564A (ja) * 1998-06-30 2000-01-21 Nippon Seiki Co Ltd エレクトロルミネセンス
JP2001102166A (ja) * 1999-09-29 2001-04-13 Sanyo Electric Co Ltd 表示装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334289A (ja) * 1989-06-29 1991-02-14 Nec Corp 薄膜ｅｌディスプレイパネル
JP2542473B2 (ja) * 1992-07-24 1996-10-09 シャープ株式会社 薄膜ｅｌ素子
US6548956B2 (en) * 1994-12-13 2003-04-15 The Trustees Of Princeton University Transparent contacts for organic devices
JP3278611B2 (ja) * 1998-05-18 2002-04-30 日本電気株式会社 有機ｅｌ素子の封止方法
JP2000021566A (ja) * 1998-06-30 2000-01-21 Nippon Seiki Co Ltd エレクトロルミネセンス
US6111357A (en) * 1998-07-09 2000-08-29 Eastman Kodak Company Organic electroluminescent display panel having a cover with radiation-cured perimeter seal
JP2000040586A (ja) * 1998-07-21 2000-02-08 Tdk Corp 有機ｅｌ素子モジュール
TW527735B (en) * 1999-06-04 2003-04-11 Semiconductor Energy Lab Electro-optical device
US6641933B1 (en) * 1999-09-24 2003-11-04 Semiconductor Energy Laboratory Co., Ltd. Light-emitting EL display device
JP2001109395A (ja) 1999-10-01 2001-04-20 Sanyo Electric Co Ltd Ｅｌ表示装置
JP2001102169A (ja) 1999-10-01 2001-04-13 Sanyo Electric Co Ltd Ｅｌ表示装置
JP2003517183A (ja) * 1999-12-17 2003-05-20 インスティチュート オブ マテリアルズ リサーチ アンド エンジニアリング Ｏｌｅｄデバイスの品質向上のために改善された透明電極材料
TW493282B (en) * 2000-04-17 2002-07-01 Semiconductor Energy Lab Self-luminous device and electric machine using the same
US7339317B2 (en) * 2000-06-05 2008-03-04 Semiconductor Energy Laboratory Co., Ltd. Light-emitting device having triplet and singlet compound in light-emitting layers
US7109650B2 (en) * 2002-07-08 2006-09-19 Lg.Philips Lcd Co., Ltd. Active matrix organic electroluminescent display device and method of fabricating the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08162270A (ja) * 1994-12-07 1996-06-21 Fuji Electric Co Ltd 電場発光素子とその封止方法
JPH1126156A (ja) * 1997-06-30 1999-01-29 Idemitsu Kosan Co Ltd 有機ｅｌ多色発光表示装置
JPH1140344A (ja) * 1997-07-16 1999-02-12 Casio Comput Co Ltd 電界発光素子
JP2000021564A (ja) * 1998-06-30 2000-01-21 Nippon Seiki Co Ltd エレクトロルミネセンス
JP2001102166A (ja) * 1999-09-29 2001-04-13 Sanyo Electric Co Ltd 表示装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1513196A2 (en) * 2003-09-08 2005-03-09 LG Electronics Inc. Active matrix electroluminescence device and method for fabricating the same
JP2005084675A (ja) * 2003-09-08 2005-03-31 Lg Electron Inc 有機電界発光素子及びその製造方法
EP2161753A3 (en) * 2003-09-08 2010-07-14 Lg Electronics Inc. Active matrix electroluminescence device and method for fabricating the same
JP2011100120A (ja) * 2003-09-08 2011-05-19 Lg Electronics Inc 有機電界発光素子及びその製造方法
US8310151B2 (en) 2003-09-08 2012-11-13 Lg Electronics Inc. Active matrix electroluminescence device and method for fabricating the same
JP2005235766A (ja) * 2004-02-20 2005-09-02 Lg Electron Inc 有機電界発光表示素子及びその製造方法
EP1566838A3 (en) * 2004-02-20 2010-09-01 LG Electronics, Inc. Organic electro-luminescence display device and fabricating method thereof
US7919919B2 (en) 2004-02-20 2011-04-05 Lg Electronics Inc. Organic electroluminescent display having a specific structure for a pad supplying the drive signal
JP2010517165A (ja) * 2007-01-26 2010-05-20 マイクロソフト コーポレーション モバイルデバイス管理プロキシシステム
US8703622B2 (en) 2011-01-18 2014-04-22 Samsung Display Co., Ltd. Flat panel display device and method of manufacturing the same

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CN100361310C (zh) 2008-01-09
JP2004522283A (ja) 2004-07-22
CN1511432A (zh) 2004-07-07
KR20020089896A (ko) 2002-11-30
US20040145304A1 (en) 2004-07-29
KR100682377B1 (ko) 2007-02-15
US20070063637A1 (en) 2007-03-22
US7394193B2 (en) 2008-07-01
JP4395367B2 (ja) 2010-01-06
US20080265765A1 (en) 2008-10-30
US7973468B2 (en) 2011-07-05
US7102281B2 (en) 2006-09-05

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